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69976 (1998 WD6)
Classification: Main-belt Asteroid          SPK-ID: 2069976
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1773491040200958 6.2669e-08  
a 3.035577872217799 3.9569e-08 AU
q 2.497220856396744 1.9726e-07 AU
i 4.490362082492684 8.6308e-06 deg
node 14.26514790026256 9.6982e-05 deg
peri 66.02722900428626 0.00010037 deg
M 353.3043815455603 3.0132e-05 deg
tp 2457036.429294649064
(2015-Jan-13.92929465)
0.00016206 JED
period 1931.792583713678
5.29
3.7772e-05
1.034e-07
d
yr
n .186355410531671 3.6438e-09 deg/d
Q 3.573934888038855 4.6587e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      551  
   data-arc span      7563 days (20.71 yr)  
   first obs. used      1994-01-17  
   last obs. used      2014-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54529  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 16:18:38  

Additional Information
 Earth MOID = 1.51668 AU 
 T_jup = 3.213 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO267920  

69976 (1998 WD6)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WD6 = 1994 BQ5 = 2000 EM130 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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